public function testProtectedApiGetNextSuffix_ResetsOnAfter2Mld()
{
$channel = $this->createChannel();
$this->setProtectedProperty($channel, 'counter', 2000000000.0);
$cnt1 = $this->callProtectedMethod($channel, 'getNextSuffix');
$cnt2 = $this->callProtectedMethod($channel, 'getNextSuffix');
$cnt3 = $this->callProtectedMethod($channel, 'getNextSuffix');
$this->assertSame('2000000000', $cnt1);
$this->assertSame('1000000000', $cnt2);
$this->assertSame('1000000001', $cnt3);
}